void Start () {
        width = Screen.width;
        height = Screen.height;
        windowRect = new Rect(0, 0, width, height);


    }
void DoWindow0(int windowID) {
        stringToEdit = GUILayout.TextField (stringToEdit, 25, GUILayout.Height(height/4));
        if (GUILayout.Button ("Submit Score", GUILayout.Height(height/4)))  {
            StartCoroutine(senddata());
            doWindow0 = false;
        }
    }
    void OnGUI() {
        if (doWindow0)
            GUI.Window(0, windowRect, DoWindow0, "");

    }